CN108017804A - A kind of fiber reinforcement high density polyethylene (HDPE)/graphite composite material and preparation method thereof - Google Patents
A kind of fiber reinforcement high density polyethylene (HDPE)/graphite composite material and preparation method thereof Download PDFInfo
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Abstract
The present invention discloses a kind of fiber reinforcement high density polyethylene (HDPE)/graphite composite material and preparation method thereof.It is made by following weight：30 ~ 50 parts of natural plant fibre, 10 ~ 20 parts of graphite powder, 0.5 ~ 2 part of graphene, 40 ~ 60 parts of polyolefin, 6 ~ 10 parts of foaming agent, 0.5 ~ 1 part of crosslinking agent, 5 ~ 8 parts of plasticizer, 1 ~ 10 part of lubricant, 7 ~ 10 parts of activator.Natural plant fibre is handled, it is auxiliary that there is excellent processing performance and physical mechanical property with fiber reinforcement high density polyethylene (HDPE)/graphite material made of other processing aids.Solve the problems, such as natural plants and compatible polyolefin, it is high so as to obtain a kind of intensity, the composite material of good toughness, addition graphene are effectively increased the heat conductivility of composite material of the present invention, and increase makes fiber reinforcement high density polyethylene (HDPE)/graphite composite material have broad application prospects.
Description
Technical field
The present invention relates to a kind of polythene material, more particularly, to a kind of fiber reinforcement high density polyethylene (HDPE)/graphite/
Graphene composite material and preparation method thereof.
Background technology
High density polyethylene (HDPE) (HDPE) is nontoxic for white powder or granular product, tasteless, crystallinity for 80%~
90%, softening point is 125~l35 DEG C, and temperature in use is up to 100 DEG C；Hardness, tensile strength and creep properties are better than low density polyethylene
Alkene；Wearability, electrical insulating property, toughness and cold resistance are preferable；Chemical stability is good, at ambient temperature, insoluble in any organic
Solvent, acid and alkali resistance and the corrosion of various salts；Film is small to the permeability of vapor and air, and water imbibition is low；Ageing-resistant performance
Difference, environmental stress crack resistance are not so good as low density polyethylene (LDPE), density polyethylene film with high under stressing conditions heat distortion temperature compared with
It is low, there is inconvenience during application more.
Graphene oxide thin slice is product of the powdered graphite after chemical oxidation and stripping, and graphene oxide is single original
Sublayer, can expand to some tens of pm on lateral dimension at any time.Therefore, the general chemistry of its construct trans and material science
Typical size.Graphene oxide can be considered a kind of flexible material of non-traditional kenel, have polymer, colloid, film, and two
The characteristic of property molecule.Graphene oxide can generally there are interface such as interfacial agent, and reduce the energy between interface.
Graphene oxide thin slice is product of the powdered graphite after chemical oxidation and stripping, and graphene oxide is single original
Sublayer, can expand to some tens of pm on lateral dimension at any time.Therefore, the general chemistry of its construct trans and material science
Typical size.Graphene oxide can be considered a kind of flexible material of non-traditional kenel, have polymer, colloid, film, and two
The characteristic of property molecule.Graphene oxide can generally there are interface such as interfacial agent, and reduce the energy between interface.
Through retrieval, existing graphene and graphite are not found temporarily while in fiber reinforcement high-density polyethylene material.
The content of the invention
The present invention provides a kind of fiber reinforcement high density polyethylene (HDPE)/graphite composite material, by natural plant fibre
Handled, it is auxiliary to match somebody with somebody fiber reinforcement high density polyethylene (HDPE)/graphite material made of other processing aids with excellent
Processing performance and physical mechanical property.Main key problem in technology is to solve the problems, such as natural plants and compatible polyolefin, so that
It is high to obtain a kind of intensity, the composite material of good toughness, graphene can reduce the friction factor of elastomeric material, carry as lubricant
The wear-resisting property of high elastomeric material, effectively extends the service life of rubber.
Another object of the present invention is to provide a kind of fiber reinforcement high density polyethylene (HDPE)/graphite composite material
Preparation method.
The present invention is achieved by the following technical programs：
A kind of fiber reinforcement high density polyethylene (HDPE)/graphite composite material is disclosed, by following weight system
：30~50 parts of natural plant fibre, 10~20 parts of graphite powder, 0.5~2 part of graphene, 40~60 parts of polyolefin, foaming agent 6
~10 parts, 0.5~1 part of crosslinking agent, 5~8 parts of plasticizer, 1~10 part of lubricant, 7~10 parts of activator.
Further, the graphite is microlite ink powder, and the particle diameter is 500~800 mesh；The graphene is oxidation stone
Black alkene, in 500~1000m2/g, the number of plies is 1~5 layer on the ratio surface of the graphene oxide.
Further, the natural plant fibre is tossa or sisal fiber.
Further, the polyolefin for high density polyethylene (HDPE), polypropylene, polyvinyl chloride, one kind in polystyrene or
It is several.
Further, the foaming agent is at least one of azodicarbonamide, sodium acid carbonate.
Further, the crosslinking agent is cumyl peroxide, at least one of polyethylene glycol.
Further, the plasticizer is diethyl phthalate, at least one of tributyl 2-acetylcitrate.
Further, the lubricant is Tissuemat E, hydroxy stearic acid, n-butyl stearate, glyceryl monostearate
At least one.
Further, the activator is at least one of zinc oxide, magnesia, aluminium oxide.
Another object of the present invention is to disclose above-mentioned fiber reinforcement high density polyethylene (HDPE)/graphite composite material
Preparation method, prepared by following steps：
S1. natural plant fibre is handled：
S11., natural plant fibre is washed away to the impurity on surface, then is washed repeatedly with deionized water, is put into constant temperature oven,
3~6h is dried under 85~90 DEG C of constant temperatures to be dried；
S12. the natural plant fibre obtained by step S11 is weighed into the polytetrafluoroethyl-ne that 3~5g is put into 100mL hydrothermal reaction kettles
In alkene liner, the strong base solution that 70mL concentration is 1.5~2.5mol/L is added, is put into constant temperature oven, it is permanent at 170~190 DEG C
Take out after temperature heating 10~12h natural coolings, after solid matter is washed till neutrality with deionized water, be put into constant temperature convection oven
10~12h of drying and processing is carried out under 70~80 DEG C of constant temperatures, obtains dry white flock presoma；It is spare；
S2. natural plant fibre processing solution is prepared：A certain amount of low density polyethylene (LDPE) powder is weighed, adds paraxylene
In solvent, it is heated to 80~100 DEG C with water-bath and is stirred continuously cause powder to be completely dissolved, be configured to low density polyethylene (LDPE) concentration
Cooled down for the solution of 2~5wt%, it is stand-by；
S3. 60~80 DEG C are cooled the temperature to, natural plant fibre and graphene is added, it is molten to immerse above-mentioned low density polyethylene (LDPE)
30~50min in liquid, taking-up are put into 110~120 DEG C of baking oven, 7~9h of drying and processing；
S4. polyolefin, foaming agent, activator, crosslinking agent, plasticizer and lubricant are added in mixer and stirred, stirred
Speed is 800~1000r/min, mixes 15~25min；
S5. mixture obtained by step S4 is put into compression molding on vulcanizing press, polyolefin thin plate, molding temperature is made
For 150~180 DEG C, pressure is 5~15MPa, and the time is 10~15min；
S6. natural plant fibre fabric step S3 handled, with step S5 made from polyolefin thin plate be put into mould
The compression molding on vulcanizing press, is made natural plant fibre composite polyolefine material, and molding temperature is 150~180 DEG C, pressure
Power is 5~15MPa, and the time is 10~15min.
Compared with prior art, the present invention has the advantages that：
The invention using high tenacity, corrosion-resistant, environmentally friendly natural plant fibre, graphene and polyolefin conduct
Raw material, prepares fiber reinforcement high density polyethylene (HDPE)/graphite composite material that tensile strength is high, impact resistance is strong.
The present invention is handled natural plant fibre fabric using natural plant fibre processing solution, not only solves day
The compatibility of right plant fiber and polyolefin, also enhances the combination power of plant fiber and polyolefin.Meanwhile the present invention uses energy
The composite foamable agent of uniform cell is produced, makes composite material lightweight, crosslinking agent crosslinks polymer monomer, improves multiple
The mechanical property of condensation material, stearic acid and PE waxes effectively improve the mobility of melt and the surface of composite material as lubricant
Smoothness.
Graphene can be effectively increased the heat conductivility of composite material of the present invention, increase make fiber reinforcement high density polyethylene (HDPE)/
Graphite composite material has broad application prospects.
The good self-lubricating property of graphite, heat conductivility, electric conductivity, high and low temperature resistance, thermal shock resistance, resistance to spoke
Penetrate performance, stable chemical property.Pass through the collective effect with graphene, the comprehensive performance of increase composite material of the present invention.
It is successfully that natural plant fibre is compound with polyolefin by using die press technology for forming, it is prepared with high-strength
Degree, good heat conductivity, wearability, impact resistance are good, and process simple and environmentally-friendly fiber reinforcement high density polyethylene (HDPE)/graphite/
Graphene composite material.
Embodiment
The present invention is further described with reference to specific embodiment.Unless stated otherwise, the embodiment of the present invention uses
Various raw materials can by it is conventional it is purchased in market obtain, or be prepared according to the conventional method of this area, device therefor is real
Test commonly used equipment.Unless otherwise defined or described herein, all professional and scientific terms and art technology used herein are ripe
It is identical to practice meaning known to personnel.
The invention discloses a kind of fiber reinforcement high density polyethylene (HDPE)/graphite composite material is disclosed, by following heavy
Part proportioning is measured to be made：30~50 parts of natural plant fibre, 10~20 parts of graphite powder, 0.5~2 part of graphene, polyolefin 40~60
Part, 6~10 parts of foaming agent, 0.5~1 part of crosslinking agent, 5~8 parts of plasticizer, 1~10 part of lubricant, 7~10 parts of activator.
Wherein, graphite is microlite ink powder, and the particle diameter is 500~800 mesh；Graphene is graphene oxide, the oxygen
The ratio surface of graphite alkene is in 500~1000m2/ g, the number of plies are 1~5 layer；Natural plant fibre is fine for tossa or sisal hemp
Dimension；Polyolefin is high density polyethylene (HDPE), the one or more in polypropylene, polyvinyl chloride, polystyrene；Foaming agent is azo two
At least one of formamide, sodium acid carbonate；Crosslinking agent is cumyl peroxide, at least one of polyethylene glycol；Plasticizer
For at least one of diethyl phthalate, tributyl 2-acetylcitrate；Lubricant is Tissuemat E, hydroxy stearic acid, hard
Resin acid N-butyl, at least one of glyceryl monostearate；Activator is at least one of zinc oxide, magnesia, aluminium oxide.
Specific implementation is as follows.
Embodiment 1
(1) fiber reinforcement high density polyethylene (HDPE)/graphite composite material
It is made by following weight：50 parts of natural plant fibre, 20 parts of graphite powder, 0.5 part of graphene, polyolefin
50 parts, 10 parts of foaming agent, 1 part of crosslinking agent, 8 parts of plasticizer, 10 parts of lubricant, 10 parts of activator.In the present embodiment, natural plants
Fiber is tossa；Polyolefin is high density polyethylene (HDPE), polypropylene presses 1:1 mass ratio mixes；Foaming agent is two formyl of azo
Amine；Crosslinking agent is cumyl peroxide；Plasticizer is diethyl phthalate；Lubricant is Tissuemat E；Activator is
Zinc oxide.
(2) preparation method of fiber reinforcement high density polyethylene (HDPE)/graphite composite material
The preparation method of the fiber reinforcement high density polyethylene (HDPE)/graphite composite material of the present embodiment, including it is following
Step：
S1. natural plant fibre is handled：
S11., natural plant fibre is washed away to the impurity on surface, then is washed repeatedly with deionized water, is put into constant temperature oven,
3h is dried under 90 DEG C of constant temperatures to be dried；
S12. the natural plant fibre obtained by step S11 is weighed into the polytetrafluoroethyl-ne that 3~5g is put into 100mL hydrothermal reaction kettles
In alkene liner, the strong base solution that 70mL concentration is 1.5~2.5mol/L is added, is put into constant temperature oven, it is permanent at 170~190 DEG C
Take out after temperature heating 10~12h natural coolings, after solid matter is washed till neutrality with deionized water, be put into constant temperature convection oven
Drying and processing 10h is carried out under 70~80 DEG C of constant temperatures, obtains dry white flock presoma；It is spare；
S2. natural plant fibre processing solution is prepared：A certain amount of low density polyethylene (LDPE) powder is weighed, adds paraxylene
In solvent, it is heated to 100 DEG C with water-bath and is stirred continuously cause powder to be completely dissolved, the concentration for being configured to low density polyethylene (LDPE) is
The solution cooling of 5wt%, it is stand-by；
S3. 80 DEG C are cooled the temperature to, natural plant fibre and graphite, graphene is added, immerses above-mentioned low density polyethylene (LDPE)
50min in solution, taking-up are put into 120 DEG C of baking oven, drying and processing 7h；
S4. polyolefin, foaming agent, activator, crosslinking agent, plasticizer and lubricant are added in mixer and stirred, stirred
Speed is 800r/min, mixes 15min；
S5. mixture obtained by step S4 is put into compression molding on vulcanizing press, polyolefin thin plate, molding temperature is made
For 150 DEG C, pressure 15MPa, time 15min；
S6. natural plant fibre fabric step S3 handled, with step S5 made from polyolefin thin plate be put into mould
The compression molding on vulcanizing press, is made natural plant fibre composite polyolefine material, and molding temperature is 150 DEG C, and pressure is
15MPa, time 15min.
Embodiment 2
(1) fiber reinforcement high density polyethylene (HDPE)/graphite composite material
It is made by following weight：30 parts of natural plant fibre, 10 parts of graphite powder, 2 parts of graphene, polyolefin 40
Part, 6 parts of foaming agent, 0.5 part of crosslinking agent, 5 parts of plasticizer, 1 part of lubricant, 1 part of activator.In the present embodiment, natural plants are fine
Tie up as tossa；Polyolefin is high density polyethylene (HDPE), polypropylene presses 1:1 mass ratio mixes；Foaming agent is azodicarbonamide；
Crosslinking agent is cumyl peroxide；Plasticizer is diethyl phthalate；Lubricant is Tissuemat E；Activator is oxidation
Zinc.
(2) preparation method of fiber reinforcement high density polyethylene (HDPE)/graphite composite material
The preparation method of the fiber reinforcement high density polyethylene (HDPE)/graphite composite material of the present embodiment, including it is following
Step：
S1. natural plant fibre is handled：
S11., natural plant fibre is washed away to the impurity on surface, then is washed repeatedly with deionized water, is put into constant temperature oven,
6h is dried under 85 DEG C of constant temperatures to be dried；
S12. the natural plant fibre obtained by step S11 is weighed into the polytetrafluoroethyl-ne that 3~5g is put into 100mL hydrothermal reaction kettles
In alkene liner, the strong base solution that 70mL concentration is 1.5~2.5mol/L is added, is put into constant temperature oven, it is permanent at 170~190 DEG C
Take out after temperature heating 10~12h natural coolings, after solid matter is washed till neutrality with deionized water, be put into constant temperature convection oven
Drying and processing 12h is carried out under 70~80 DEG C of constant temperatures, obtains dry white flock presoma；It is spare；
S2. natural plant fibre processing solution is prepared：A certain amount of low density polyethylene (LDPE) powder is weighed, adds paraxylene
In solvent, it is heated to 80 DEG C with water-bath and is stirred continuously cause powder to be completely dissolved, the concentration for being configured to low density polyethylene (LDPE) is
The solution cooling of 2wt%, it is stand-by；
S3. 60 DEG C are cooled the temperature to, natural plant fibre and graphene is added, immerses in above-mentioned low density polyethylene (LDPE) solution
30min, taking-up are put into 110 DEG C of baking oven, drying and processing 9h；
S4. polyolefin, foaming agent, activator, crosslinking agent, plasticizer and lubricant are added in mixer and stirred, stirred
Speed is 1000r/min, mixes 25min；
S5. mixture obtained by step S4 is put into compression molding on vulcanizing press, polyolefin thin plate, molding temperature is made
For 180 DEG C, pressure 25MPa, time 10min；
S6. by the natural plant fibre fabric of the processing of step S3, with step S5 made from polyolefin thin plate be put into mould
In the compression molding on vulcanizing press, natural plant fibre composite polyolefine material is made, molding temperature is 180 DEG C, pressure
For 25MPa, time 10min.
Embodiment 3
(1) fiber reinforcement high density polyethylene (HDPE)/graphite composite material
It is made by following weight：40 parts of natural plant fibre, 10 parts of graphite powder, 1 part of graphene, polyolefin 60
Part, 8 parts of foaming agent, 1 part of crosslinking agent, 8 parts of plasticizer, 6 parts of lubricant, 8 parts of activator.In the present embodiment, natural plant fibre
For sisal fiber；Polyolefin is high density polyethylene (HDPE)；Foaming agent is azodicarbonamide；Crosslinking agent for cumyl peroxide,
Polyethylene glycol presses 1:1 mass ratio mixes；Plasticizer is diethyl phthalate, tributyl 2-acetylcitrate presses 1:1 mass ratio
Mixing；Lubricant is n-butyl stearate；Activator is magnesia.
(2) preparation method of fiber reinforcement high density polyethylene (HDPE)/graphite composite material
The preparation method of the present embodiment is substantially the same manner as Example 1, its difference is, step S3. is cooled the temperature to
80 DEG C, natural plant fibre and graphene are added, immerses 40min in above-mentioned low density polyethylene (LDPE) solution, taking-up is put into 110 DEG C
In baking oven, drying and processing 8h.
Embodiment 4
(1) fiber reinforcement high density polyethylene (HDPE)/graphite composite material
It is made by following weight：40 parts of natural plant fibre, 1.5 parts of graphene, 50 parts of polyolefin, foaming agent 8
Part, 0.5 part of crosslinking agent, 5 parts of plasticizer, 6 parts of lubricant, 8 parts of activator.In the present embodiment, natural plant fibre is fine for sisal hemp
Dimension；Polyolefin is polyvinyl chloride；Foaming agent is azodicarbonamide；Crosslinking agent is cumyl peroxide, polyethylene glycol presses 2:1
Mass ratio mixes；Plasticizer is diethyl phthalate, tributyl 2-acetylcitrate presses 1:1 mass ratio mixes；Lubricant is
N-butyl stearate；Activator is aluminium oxide.
(2) preparation method of fiber reinforcement high density polyethylene (HDPE)/graphite composite material
The preparation method of the present embodiment is substantially the same manner as Example 1, its difference is, step S3. is cooled the temperature to
80 DEG C, natural plant fibre and graphene are added, immerses 40min in above-mentioned low density polyethylene (LDPE) solution, taking-up is put into 110 DEG C
In baking oven, drying and processing 8h.
Comparative example 1
It is made by following weight：50 parts of natural plant fibre, 50 parts of polyolefin, 10 parts of foaming agent, crosslinking agent 1
Part, 8 parts of plasticizer, 10 parts of lubricant, 10 parts of activator.In this comparative example, natural plant fibre is tossa；Polyolefin is
High density polyethylene (HDPE), polypropylene press 1:1 mass ratio mixes；Foaming agent is azodicarbonamide；Crosslinking agent is peroxidating diisopropyl
Benzene；Plasticizer is diethyl phthalate；Lubricant is Tissuemat E；Activator is zinc oxide.
The preparation method of the fiber reinforcement high-density polyethylene material of this comparative example, comprises the following steps：
S1. natural plant fibre is handled：
S11., natural plant fibre is washed away to the impurity on surface, then is washed repeatedly with deionized water, is put into constant temperature oven,
3h is dried under 90 DEG C of constant temperatures to be dried；
S12. the natural plant fibre obtained by step S11 is weighed into the polytetrafluoroethyl-ne that 3~5g is put into 100mL hydrothermal reaction kettles
In alkene liner, the strong base solution that 70mL concentration is 1.5~2.5mol/L is added, is put into constant temperature oven, it is permanent at 170~190 DEG C
Take out after temperature heating 10~12h natural coolings, after solid matter is washed till neutrality with deionized water, be put into constant temperature convection oven
Drying and processing 10h is carried out under 70~80 DEG C of constant temperatures, obtains dry white flock presoma；It is spare；
S2. natural plant fibre processing solution is prepared：A certain amount of low density polyethylene (LDPE) powder is weighed, adds paraxylene
In solvent, it is heated to 100 DEG C with water-bath and is stirred continuously cause powder to be completely dissolved, the concentration for being configured to low density polyethylene (LDPE) is
The solution cooling of 5wt%, it is stand-by；
S3. 80 DEG C are cooled the temperature to, natural plant fibre is added and immerses 50min in above-mentioned low density polyethylene (LDPE) solution, take
Go out and be put into 120 DEG C of baking oven, drying and processing 7h；
S4. polyolefin, foaming agent, activator, crosslinking agent, plasticizer and lubricant are added in mixer and stirred, stirred
Speed is 800r/min, mixes 15min；
S5. mixture obtained by step S4 is put into compression molding on vulcanizing press, polyolefin thin plate, molding temperature is made
For 150 DEG C, pressure 15MPa, time 15min；
S6. natural plant fibre fabric step S3 handled, with step S5 made from polyolefin thin plate be put into mould
The compression molding on vulcanizing press, is made natural plant fibre composite polyolefine material, and molding temperature is 150 DEG C, and pressure is
15MPa, time 15min.
1~embodiment of embodiment 4 and comparative example 1 are tested for the property, the result is shown in following table：
Table 1
Claims (10)
1. a kind of fiber reinforcement high density polyethylene (HDPE)/graphite composite material, it is characterised in that matched somebody with somebody by following parts by weight
Than being made：30 ~ 50 parts of natural plant fibre, 10 ~ 20 parts of graphite powder, 0.5 ~ 2 part of graphene, 40 ~ 60 parts of polyolefin, foaming agent 6 ~
10 parts, 0.5 ~ 1 part of crosslinking agent, 5 ~ 8 parts of plasticizer, 1 ~ 10 part of lubricant, 7 ~ 10 parts of activator.
2. fiber reinforcement high density polyethylene (HDPE)/graphite composite material according to claim 1, it is characterised in that institute
It is microlite ink powder to state graphite, and the particle diameter is 500 ~ 800 mesh；The graphene is graphene oxide, the graphene oxide
Ratio surface in 500~1000m2/g, the number of plies is 1 ~ 5 layer.
3. fiber reinforcement high density polyethylene (HDPE)/graphite composite material according to claim 1, it is characterised in that institute
It is tossa or sisal fiber to state natural plant fibre.
4. fiber reinforcement high density polyethylene (HDPE)/graphite composite material according to claim 1, it is characterised in that institute
Polyolefin is stated as the one or more in high density polyethylene (HDPE), polypropylene, polyvinyl chloride, polystyrene.
5. fiber reinforcement high density polyethylene (HDPE)/graphite composite material according to claim 1, it is characterised in that institute
Foaming agent is stated as at least one of azodicarbonamide, sodium acid carbonate.
6. fiber reinforcement high density polyethylene (HDPE)/graphite composite material according to claim 1, it is characterised in that institute
Crosslinking agent is stated as cumyl peroxide, at least one of polyethylene glycol.
7. fiber reinforcement high density polyethylene (HDPE)/graphite composite material according to claim 1, it is characterised in that institute
Plasticizer is stated as diethyl phthalate, at least one of tributyl 2-acetylcitrate.
8. fiber reinforcement high density polyethylene (HDPE)/graphite composite material according to claim 1, it is characterised in that institute
Lubricant is stated as Tissuemat E, hydroxy stearic acid, n-butyl stearate, at least one of glyceryl monostearate.
9. fiber reinforcement high density polyethylene (HDPE)/graphite composite material according to claim 1, it is characterised in that institute
Activator is stated as at least one of zinc oxide, magnesia, aluminium oxide.
10. according to fiber reinforcement high density polyethylene (HDPE)/graphite composite material described in claim 1 ~ 9 any one
Preparation method, it is characterised in that prepared by following steps：
S1. natural plant fibre is handled：
S11., natural plant fibre is washed away to the impurity on surface, then is washed repeatedly with deionized water, is put into constant temperature oven, 85 ~
3 ~ 6h is dried under 90 DEG C of constant temperatures to be dried；
S12. the natural plant fibre obtained by step S11 is weighed 3 ~ 5g to be put into the polytetrafluoroethylene (PTFE) of 100mL hydrothermal reaction kettles
In courage, the strong base solution that 70mL concentration is 1.5 ~ 2.5mol/L is added, is put into constant temperature oven, the heated at constant temperature at 170 ~ 190 DEG C
Take out after 10 ~ 12h natural coolings, after solid matter is washed till neutrality with deionized water, be put into constant temperature convection oven 70 ~ 80
10 ~ 12h of drying and processing is carried out under DEG C constant temperature, obtains dry white flock presoma；It is spare；
S2. natural plant fibre processing solution is prepared：A certain amount of low density polyethylene (LDPE) powder is weighed, it is molten to add paraxylene
In agent, it is heated to 80 ~ 100 DEG C with water-bath and is stirred continuously cause powder to be completely dissolved, be configured to low density polyethylene (LDPE) concentration as 2
The solution cooling of ~ 5wt%, it is stand-by；
S3. 60 ~ 80 DEG C are cooled the temperature to, adds natural plant fibre and microlite ink powder, graphene oxide, is immersed above-mentioned low
30 ~ 50min in density polyethylene solution, taking-up are put into 110 ~ 120 DEG C of baking oven, 7 ~ 9h of drying and processing；
S4. polyolefin, foaming agent, activator, crosslinking agent, plasticizer and lubricant are added in mixer and stirred, mixing speed
For 800 ~ 1000r/min, 15 ~ 25min is mixed；
S5. mixture obtained by step S4 is put into compression molding on vulcanizing press, polyolefin thin plate is made, molding temperature is
150 ~ 180 DEG C, pressure is 5 ~ 15MPa, and the time is 10 ~ 15min；
S6. natural plant fibre fabric step S3 handled, with step S5 made from polyolefin thin plate be put into mould flat
Compression molding on plate vulcanizer, is made natural plant fibre composite polyolefine material, and molding temperature is 150 ~ 180 DEG C, pressure 5
~ 15MPa, time are 10 ~ 15min.
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